*{
    margin: 0;
    padding: 0;
}
.login_box{
    width: 1425px;
    height: 795px;
    background-color: #fff;
}
.login_left{  
    width: 375px;
    height: 795px;
    float: left;
}
.login_left>img{  
    display: block;
    width: 100%;
    height: 100%;
}
.login_right{
    width: 1050px;
    height: 795px;
    background-color: #fff;
    float: left;
}
.login_right>.login_right_h{
    width: 1050px;
    height: 80px;
   
    float: left;
}
.login_title{
    width: 154px;
    float: left;
    height: 80px;
    font-size: 26px; 
    color: #333;
    line-height: 80px
}
.login_title>img{
   
    width: 39px;
    height: 39px;
    float: left;
    margin: 20px 5px;
}
.login_title>span{

    float: left;
}
.login_nav{
    width: 353px;
    height: 40px;
     float: right;
}
.login_nav>ul{
    list-style: none;
   
}
.login_nav>ul>li{
    float: left;
    margin-left: 10px;
    margin-right: 10px;
    line-height: 80px;
}
.login_nav>ul>li>a{
   text-decoration: none;
   color: #838383;
   display: inline-block;
}
.login_nav>ul>li>a:hover{
color: #ff5c00;
}
form {
    width: 450px;
    height: 568px;
    padding: 20px;
    box-shadow: 0 0 6px rgba(240, 237,237);
    border-radius: 15px;
    margin: 30px auto;
    padding-top: 50px;
    display: flex;
    flex-direction: column;
    position: relative;
  }
   
  form > span {
    position: absolute;
    top: 10px;
    left: 50%;
    width: 400px;
    transform: translateX(-50%);
    color: red;
    text-align: center;
   
    display: none;
  }
   
  form > label {
    height: 50px;
   
  }
   
  form > label > input {
    width: 70%;
    padding-left: 20px;
    height: 34px;
  }
   
  form > button {
      width: 100px;
      height: 30px;
    padding: 5px;
    margin-top: 50px;
    margin-left: 180px;
    background-color: #ff5c00;
  }